By Dr. D.G. Hessayon
By Jessica Houdret
By Richard Bird, National Trust Books
By Jeff Cox, Marie-Pierre Moine
By Dr. D. G. Hessayon
By Nick Poulter
By Stefan T. Buczacki, Amateur Gardening
By Anthony Gardiner
By Francesca Capaldi
By Bill Heritage
By Dave Goulson
By Kellaway, Deborah, Kellaway, Deborah
By Mike Janulewicz
By Stephanie Donaldson
By Brian Rittershausen
By Michael Gibson
By Marylyn Abbott
By Beverley Parkin